402413222 has 16 divisors (see below), whose sum is σ = 661167360. Its totient is φ = 182840448.

The previous prime is 402413213. The next prime is 402413243. The reversal of 402413222 is 222314204.

It is a junction number, because it is equal to n+sod(n) for n = 402413194 and 402413203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203078 + ... + 205049.

It is an arithmetic number, because the mean of its divisors is an integer number (41322960).

Almost surely, 2^402413222 is an apocalyptic number.

402413222 is a deficient number, since it is larger than the sum of its proper divisors (258754138).

402413222 is a wasteful number, since it uses less digits than its factorization.

402413222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408175.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 402413222 is about 20060.2398290748. The cubic root of 402413222 is about 738.2850608641.

Adding to 402413222 its reverse (222314204), we get a palindrome (624727426).

The spelling of 402413222 in words is "four hundred two million, four hundred thirteen thousand, two hundred twenty-two".